在导电纳米流体流程中,热量和质量传输在二维几何体的二维几何体上
Usman1, Waqar A Khan2, Naseem Uddin3
1Department of Computer Science, National University of Sciences and Technology, Balochistan Campus (NBC), Quetta, 87300, Pakistan.
Heliyon
|July 31, 2023
概括
这项研究研究了磁场和压力梯度下的水基碳纳米管 (CNT) 纳米流体. 结果显示,磁场降低了运输速率,而CNT和压差增加了运输速率.
科学领域:
- 工程科学是工程科学.
- 流体动力学 流体动力学
- 纳米技术纳米技术
背景情况:
- 纳米流体在工程应用中增强质量和热传输.
- 碳纳米管 (CNT) 是用于纳米流体应用的有效纳米粒子.
- 了解外界场下的纳米流体行为对于优化性能至关重要.
研究的目的:
- 分析基于水的CNT纳米流体的质量和热传输速率.
- 研究可变磁场和压力梯度对流体流动的影响.
- 为了探索热泳和布朗运动的影响,使用Buongiorno模型.
主要方法:
- 这项研究重新审视了粘性,不可压缩,牛顿式,二维层流的问题.
- 使用Görtler转换将边界层方程转换为ODEs.
- 使用Runge-Kutta Fehlberg方法 (RKF45) 解决了ODE问题.
主要成果:
- 增加磁场强度可以降低剪切应力,质量和热传输速率.
- 较高的CNTs固体体积分增加了剪切应力和热传输,尽管质量传输减少.
- 压力梯度参数加快了热量和剪切应力传递.
结论:
- 磁场和CNT度显著影响纳米流体的运输特性.
- 压力梯度在增强热量和剪切应力转移方面发挥着关键作用.
- 这些发现为设计使用纳米流体的高效热管理系统提供了洞察力.
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